23057243 has 8 divisors (see below), whose sum is σ = 25190256. Its totient is φ = 20930400.

The previous prime is 23057239. The next prime is 23057249. The reversal of 23057243 is 34275032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23057243 - 2² = 23057239 is a prime.

It is a super-2 number, since 2×23057243² = 1063272909522098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23057249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10205 + ... + 12257.

It is an arithmetic number, because the mean of its divisors is an integer number (3148782).

Almost surely, 2^23057243 is an apocalyptic number.

23057243 is a deficient number, since it is larger than the sum of its proper divisors (2133013).

23057243 is a wasteful number, since it uses less digits than its factorization.

23057243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3085.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 23057243 is about 4801.7958099028. The cubic root of 23057243 is about 284.6224322036.

The spelling of 23057243 in words is "twenty-three million, fifty-seven thousand, two hundred forty-three".